Edvard Csanyi
1669 awesome technical articles
Electrical engineer, programmer and founder of EEP. Highly specialized for design of LV/MV switchgears and LV high power busbar trunking (<6300A) in power substations, commercial buildings and industry facilities. Professional in AutoCAD programming.
Three applications where variable speed drive really rocks!
Many industrial sectors have discovered the benefits of using variable speed drive (VSD) control in a wide variety of applications. Businesses in the commercial and public sectors can also utilise… Read more
Aug 03, 2016 | By Edvard Csanyi
Five transformer constructions you’re most likely to see inside buildings
There are several different types of transformer constructions you can see installed in substations inside commercial and other buildings. This article is generally applicable only to transformers of the liquid filled, ventilated… Read more
Aug 01, 2016 | By Edvard Csanyi
Which type of residual current device (RCD) you should use for protection?
It is not quite clear when and by whom the first residual current device (RCD) was developed, but it certainly appeared on the market in the 1950s and was initially… Read more
Jul 28, 2016 | By Edvard Csanyi
How standby generators work and how to dimension them?
Standby generators are used in order to provide consumers in the system entitled to standby service in the event of breakdown or shutdown of the normal power supply. They consist… Read more
Jul 26, 2016 | By Edvard Csanyi
Challenge your electrician skills with these 15 questions
Whether you are professional or a novice in a field of electrical engineering, it’s always a good idea to challenge your electrician skills from time to time. This is your… Read more
Jul 25, 2016 | By Edvard Csanyi
What is distribution substation and its main components?
Distribution substation typically operates at 2.4 – 34.5 kV voltage levels, and deliver electric energy directly to industrial and residential consumers. Distribution feeders transport power from the distribution substations to the end… Read more
Jul 22, 2016 | By Edvard Csanyi
Earthing in DC distribution systems similar to the AC systems
This technical article shows earthing of a specific pole of a two-wire DC distribution systems. The decision whether to earth the positive or the negative pole shall be based upon… Read more
Jul 20, 2016 | By Edvard Csanyi
Few good tips for low voltage switchgear maintenance and care
The low voltage switchgear involves many devices like power circuit breakers, MCBs, aux. relays, CTs, VTs etc. and of course at the end – enclosures (indoor or outdoor type). The frequency… Read more
Jul 18, 2016 | By Edvard Csanyi
The essentials of AC power transformers for students and beginners
AC power transformers are one of the keys to allowing widespread distribution of electric power as we see it today. Transformers efficiently convert electricity to higher voltage for long distance… Read more
Jul 15, 2016 | By Edvard Csanyi
Electricity and water do not form a happy partnership, do they?
Electricity and water do not form a happy partnership and so it is often necessary to “dry out” insulation. This may be done to remove surface moisture or perhaps to… Read more
Jul 13, 2016 | By Edvard Csanyi
Commissioning tests of protection relays at site (before set to work)
Installation of protection relays at site creates a number of possibilities for errors in the implementation of the scheme to occur. Even if the scheme has been thoroughly tested in… Read more
Jul 11, 2016 | By Edvard Csanyi
The basics of power in alternating current circuits (you MUST NEVER forget)
In a DC circuit, the power is equal to the voltage times the current, or P=V×I. This is also true in an AC circuit when the alternating current and voltage… Read more
Jul 08, 2016 | By Edvard Csanyi
How do you become a master electrician?
There are a number of differences between the Journeyman test and the Master electrician exam. Generally speaking, the test for the Master electrician’s exam has more questions, lasts longer and… Read more
Jul 05, 2016 | By Edvard Csanyi
Why is Good Grounding Important And What Can You Do About It?
The transient nature of lightning with its associated fast rise times and large magnitude currents mean that special consideration needs to be given to the good grounding, for lightning protection… Read more
Jul 04, 2016 | By Edvard Csanyi
Electrical Design Project Of Sun’s Datacenter In Santa Clara, California
This technical article provides a top-to-bottom overview of Sun Microsystems’s Santa Clara, California datacenter from electrical design aspect. Sun’s electrical design tour of Santa Clara datacenter is done through a… Read more
Jul 01, 2016 | By Edvard Csanyi